Seal segment



FIG. 1 is a front perspective view of a seal segment;

FIG. 2 is a top view of the seal segment, the bottom view being a mirror image thereof;

FIG. 3 is a right side view of the seal segment, the left side view being a mirror image thereof;

FIG. 4 is a front elevation view of the seal segment; and,

FIG. 5 is a rear elevation view of the seal segment.

The broken lines in FIGS. 1 through 5 form no part of the claimed design. 

CLAIM The ornamental design for a seal segment, as shown and described. 